perf tools: Making QUIET_(CLEAN|INSTAL) variables global

Moving QUIET_(CLEAN|INSTAL) variables into:

  tools/scripts/Makefile.include

to be usable by other tools. The change to use them in libtraceevent is
in following patches.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1387460527-15030-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/scripts/Makefile.include

@@ -76,5 +76,8 @@ ifneq ($(findstring $(MAKEFLAGS),s),s)
 		+@echo	       '  DESCEND  '$(1); \
 		mkdir -p $(OUTPUT)$(1) && \
 		$(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
+
+	QUIET_CLEAN    = @printf '  CLEAN    %s\n' $1;
+	QUIET_INSTALL  = @printf '  INSTALL  %s\n' $1;
   endif
 endif